<div class="f_page_cont_nav" id="id_f_page_cont_nav" style="min-height: 790px;">
	        <div class="f_detail_box">
	        <div id="post-423" class="post">
	<div id="meta">
		<select id="units" style="display: none;">
			<option value="si" name="si" selected="selected">SI</option>
			<option value="us" name="us">US</option>
		</select>	
	</div><!--#meta-->
	<div id="title">
	  <h2>预产期计算 </h2> 
	  <!-- <h3 id="desc">Calculates pregnancy dates, forward from last period or backward from due date.</h3> -->
	</div>
	<form id="theform" name="theform" action="get">
		<table cellspacing="0" cellpadding="0" border="0">
			<tbody><tr>
				<td class="">当前胎龄</td>
				<td class="">
					<input width="15" type="text" name="wks" id="wks"> <label for="wks">周</label><br>
					<input width="15" type="text" name="days" value="0" id="days"> <label for="days">天</label>
				</td>
			</tr>
			<tr>
				<td class="">末次月经日期</td>
				<td class="short60"><input width="15" type="text" name="lmp" id="lmp"> <small>你喜欢的任意格式</small></td>
			</tr>
			<tr>
				<td class="">到期日（估计预产期）</td>
				<td class="short60"><input type="text" name="duedates" id="duedates"> <small>你喜欢的任意格式</small></td>
			</tr>
			<tr class="answer">
				<td>估计孕龄</td>
				<td><div id="resultmsg"> </div> </td>
			</tr>
			<tr class="answer">
				<td>末次月经日期计算</td>
				<td><div id="resultmsg2"> </div> </td>
			</tr>
			<tr class="answer">
				<td>估计到期日（40周）</td>
				<td><div id="resultmsg3"> </div>  </td>
			</tr>
			<tr class="answer">
				<td>估计受孕日</td>
				<td><div id="resultmsg4"> </div></td>
			</tr>
		</tbody></table>
	</form>



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	<p>Posted in: <a rel="category tag" title="View all posts in OB-Gyn" href="http://www.mdcalc.com/category/specialties/ob-gyn/">OB-Gyn</a></p>

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